[svn] Don't clobber the file when -c fails in the first attempt.

[wget] / src / http.c

diff --git a/src/http.c b/src/http.c
index 3a2f908ebd94f94dfbff11bf0881ceb37dfd89b7..d549012cb1e3c33d5471bd9fb58baeed348717f4 100644 (file)
--- a/src/http.c
+++ b/src/http.c
@@ -2141,13 +2141,18 @@ File `%s' already there, will not retrieve.\n"), *hstat.local_file);
        *dt &= ~HEAD_ONLY;
 
       /* Decide whether or not to restart.  */
-      hstat.restval = 0;
-      if (count > 1)
-       hstat.restval = hstat.len; /* continue where we left off */
-      else if (opt.always_rest
-              && stat (locf, &st) == 0
-              && S_ISREG (st.st_mode))
+      if (opt.always_rest
+         && stat (locf, &st) == 0
+         && S_ISREG (st.st_mode))
+       /* When -c is used, continue from on-disk size.  (Can't use
+          hstat.len even if count>1 because we don't want a failed
+          first attempt to clobber existing data.)  */
        hstat.restval = st.st_size;
+      else if (count > 1)
+       /* otherwise, continue where the previous try left off */
+       hstat.restval = hstat.len;
+      else
+       hstat.restval = 0;
 
       /* Decide whether to send the no-cache directive.  We send it in
         two cases: